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General Information:

  • This model was painted all "Phantom Black."
  • The serial number was on a plate riveted to the swivel bracket above and between the clamp screws..
  • Serial numbers 1639473 thru 1770178 were 1964 models.
  • Serial numbers 1770179 thru 1896800 were 1965 models.
  • Serial numbers 1937426 thru 2116317 were 1966 models.
  • 1964-66 Merc 500's were produced in Merc 500M (Manual Starting, Short Shaft,) Merc 500ML (Manual Starting, Long Shaft,) Merc 500S (Electric Starting, Short Shaft without Alternator,) Merc 500SL (Electric Starting, Long Shaft, without Alternator, Merc 500E (Electric Starting, Short Shaft, with Alternator) and Merc 500EL (Electric Starting, Long Shaft, with Alternator)